Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In December, the average high-temperature marginally drops from a warm 77.4°F (25.2°C) in November to a pleasant 71.2°F (21.8°C). During the month of December, the temperature falls to an average of 56.3°F (13.5°C).Humidity
In December, the average relative humidity in Weslaco is 69%.Rainfall
In December, in Weslaco, Texas, the rain falls for 8.3 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Weslaco, during the entire year, the rain falls for 102.8 days and collects up to 12.99" (330mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days in Weslaco is December, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 5:39 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:51 pm CST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index in Weslaco, Texas, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: During December, 4 as the daily maximum UV index converts into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Weslaco?
What is the average humidity in December in Weslaco?
How many days does it rain in December in Weslaco?
When it does not snow in Weslaco?
Does it snow in Weslaco in December?
What is the month with the shortest days in Weslaco?
What is the average length of the day in December in Weslaco?
When is the sunrise / sunset in December in Weslaco?
What is the month with the least sunshine in Weslaco?
How long on average sun shines in December in Weslaco?
When is the lowest UV index in Weslaco?
How high is the UV index in December in Weslaco?
Average temperature in December
Weslaco, TX
- Average high temperature in December: 71.2°F
The warmest month (with the highest average high temperature) is August (97.9°F).
The month with the lowest average high temperature is January (69.6°F).
- Average low temperature in December: 56.3°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).
Average pressure in December
Weslaco, TX
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in December
Weslaco, TX
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are March, April and May (11.7mph).
The calmest month (with the lowest average wind speed) is September (8.5mph).
Average humidity in December
Weslaco, TX
- Average humidity in December: 69%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Weslaco, TX
- Average rainfall in December: 0.83"
The wettest months (with the highest rainfall) are July and September (2.01").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
Weslaco, TX
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is July (6.4 days).
Average snowfall in December
Weslaco, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Weslaco, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Weslaco, TX
- Average daylight in December: 10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Weslaco, TX
- Average sunshine days in December: 21 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is September (13.8 days).
Average UV index in December
Weslaco, TX
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Weslaco, TX
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Weslaco, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Weslaco, Texas, USA
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